CN206915446U - A kind of Length Control system - Google Patents
A kind of Length Control system Download PDFInfo
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- CN206915446U CN206915446U CN201720679348.7U CN201720679348U CN206915446U CN 206915446 U CN206915446 U CN 206915446U CN 201720679348 U CN201720679348 U CN 201720679348U CN 206915446 U CN206915446 U CN 206915446U
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Abstract
The utility model discloses a kind of Length Control system, including frame, unwinding device, draw-gear, swing arm tension-adjusting gear, apparatus for coating, drying unit and wrap-up.In the system debug stage, the tension force setting numerical value of film, state of the film by this tension force is detected by electric eye between the haulage gear and coating mechanism after unreeling, and as pattern is also not up to full-length value, then improves this section of membrane tension by operation interface.As pattern length is above standard value, then this section of membrane tension is reduced by operation interface.Until regulation untill standard value.Membrane tension between coating mechanism and traction cooling body, with epimere tension adjustment mode.Film is shaped to film length in drying unit.Through drawing cooling body cooling, prevent that shrinkage causes film roll can not subsequently open after film take-up.
Description
Technical field
It the utility model is related to a kind of Length Control system.
Background technology
Plastic sheeting is during printed patterns, because tension force causes film to be elongated, then causes printing to be wound after terminating
Film on pattern deformation, length do not know, and influences follow-up normal use, it is therefore desirable to it is unreeled again, rewinding,
Unreeling, Length Control is carried out to film in rewinding, ensureing that printed patterns recover normal.
Utility model content
The purpose of this utility model is to provide a kind of Length Control system, solves present plastic sheeting in printed patterns process
In, tension force causes film to be elongated, pattern deformation, influences the technical problem of follow-up normal use.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of Length Control system, including frame, unwinding device, draw-gear, swing arm tension-adjusting gear, drying dress
Put, draw cooling body and wrap-up；The frame is fixedly installed on pedestal, and frame includes two sides be arrangeding in parallel
Plate；The swing arm tension-adjusting gear includes regulation deflector roll, regulation rotating shaft, regulation cylinder, potentiometer and two regulation swing arms,
The both ends of regulation rotating shaft are rotatably arranged on frame biside plate, and one end of two regulation swing arms is fixedly connected with regulation rotating shaft, is adjusted
The both ends and the other end of two regulation swing arms for saving deflector roll are rotatablely connected, and the base for adjusting cylinder is connected with frame, adjusts cylinder
Piston rod be hinged with one of regulation swing arm, adjust fixed cover in rotating shaft and be provided with first gear, potentiometer is fixed on frame
On, second gear is fixed with the rotating shaft of potentiometer, first gear engages with second gear；The traction cooling body includes leading
Draw cooling motor, traction cooling decelerator, the first traction chill roll and the second traction chill roll, the traction cooling motor, lead
Draw cooling decelerator be fixed in frame, first traction chill roll and second traction chill roll both ends respectively with frame biside plate
Rotation connection, traction cool down the input axis connection of the output shaft and traction cooling decelerator of motor, and traction cools down the defeated of decelerator
Shaft, by synchronous band connection, leads to one end of the first traction chill roll between the first traction chill roll and the second traction chill roll
Cross toothed belt transmission connection；The first traction chill roll and the second traction chill roll be arranged in parallel, and the second traction chill roll
Positioned at first traction chill roll top, first traction chill roll and second traction chill roll radius it is identical, rotate when linear speed
Spend it is identical, first traction chill roll and second traction chill roll be hollow structure, circulated coolant in cavity；It is described to lead
Leading-in device includes traction electric machine, reducing gear, traction drive roll, traction cylinder, the traction driven voller and two being arranged in frame
Individual traction swing arm, two traction swing arms are rotatably arranged on the inside of frame biside plate respectively by its one end, draw the two of driven voller
The other end of the end respectively with two traction swing arms is rotatablely connected, and traction drive roll both ends are rotatablely connected with frame biside plate respectively,
Traction drive roll is be arranged in parallel with traction driven voller, and tangent, and the base and frame for drawing cylinder are hinged, and draw the piston of cylinder
Bar is hinged with one of traction swing arm, and the output shaft of traction electric machine and the input shaft of reducing gear are connected, reducing gear it is defeated
Shaft is connected with traction drive roll, i.e. traction electric machine driving traction drive roll rotates；The drying unit includes being arranged on frame
On cylinder and the heater block that is arranged in cylinder, the porch of drying unit be provided with levelling device, exit is provided with
Deviation correcting device is rectified a deviation, and deviation correcting device repeats no more for prior art；The first detection electric eye and the second inspection are provided with the frame
Electric eye is surveyed, wherein the first detection electric eye is located at tension-adjusting gear rear end, the second detection electric eye cools down positioned at the second traction
The side of the discharging of roller；The wrap-up includes winding motor, wind-up roll, winding cylinder and winding pressure arm, winds pressure arm
One end is hinged with frame, and the other end rotates and is provided with winding pressure roller, and the piston rod and winding pressure arm for winding cylinder are hinged, and are being wound
During winding motor driving wind-up roll rotate, the radius for winding material volume constantly increases, and winding cylinder driving winding pressure arm rotates,
Ensure that winding pressure roller contacts with the surface of material volume all the time, and compress, prevent that material volume is loose, influence to wind effect.In the frame
Pressure sensor, display screen are provided with, is electrically connected between pressure sensor and display screen.
Because plastic sheeting is during printed patterns, because film receives and tension force is elongated, then causes printing to terminate
The pattern deformation on film wound afterwards, for this, the application needs to unreel plastic sheeting again, wound, and is unreeling, is receiving
Fixed length regulation is carried out to plastic sheeting during volume, plastic sheeting is recovered length, pattern recovers normal.Stock roll is passed through first
After unwinding device unreels, plastic sheeting is successively by draw-gear, swing arm tension-adjusting gear, drying unit, traction cooling
Mechanism, last rolling device carry out rewinding, wherein unreeling motor, traction electric machine, regulation cylinder, traction cooling motor, winding
Motor, pressure sensor are equal and operation interface electrically connects between control device, and device pressure sensor is electric between display screen
Connection.In the system debug stage, the tension force setting numerical value of film, the tension force pass through between the haulage gear and coating mechanism after unreeling
Pressure sensor can detect that the first electric eye detects state of the film by this tension force, as the pattern on film is also not up to marked
Standard length value, then this section of membrane tension is improved by operation interface.As pattern length is above standard value, then dropped by operation interface
Low this section of membrane tension, until regulation untill standard value.
Membrane tension between coating mechanism and traction cooling body, with epimere tension adjustment mode.Film is in drying unit
In, film length is shaped.Through drawing cooling body cooling, prevent that shrinkage causes the follow-up nothing of film roll after film take-up
Method is opened.
Heating, drying rear film bypasses from the second traction chill roll top again from the bottom of the first traction chill roll around later,
First traction chill roll and the second traction chill roll are hollow structure, coolant have been circulated in cavity, film is led with first
Draw chill roll and the second traction chill roll contact, cooled down；Film detours in S shapes by traction cooling body, increases
Wrap angle of the film on the first traction chill roll, the second traction chill roll, increases contact area, improves cooling effect；Traction
Cool down the traction chill roll of motor driving first and the second traction chill roll rotates, power is provided for the traveling of film.
Film is during traveling, because the accuracy of manufacture error of drive roll causes deflector roll linear velocity actual value and theoretical value
Deviation, tension force can constantly increase or constantly reduce, and when the film being wound on regulation deflector roll increases the pressure for adjusting deflector roll, lead
Cause regulation swing arm to rotate, drive regulation rotating shaft and potentiometer to rotate, the piston for adjusting cylinder is compressed, potentiometer
Electric signal corresponding to angle of rotation angle value and rotation direction is sent to control device, control device control unreels motor or led
Draw motor, reduce the tension force of film between let off roll and haulage gear, the piston of regulation cylinder is returned to initial position；When being wound on
When adjusting pressure reduction of the film on deflector roll to adjusting deflector roll, cause regulation swing arm to be rotated to opposite direction, drive regulation
Rotating shaft and potentiometer also rotate to opposite direction, adjust the piston rod elongation of cylinder, potentiometer is by angle of rotation angle value and turns
Electric signal corresponding to dynamic direction is sent to control device, and control device control unreels motor or the instantaneous of traction electric machine turns
Speed, increase let off roll and the tension force for drawing driving link film, make the piston of regulation cylinder return to initial position, are adjusted,
Whole regulation process in dynamic is carried out, plays a part of stabilizing films tension force all the time.
Further improve, in addition to apparatus for coating, the apparatus for coating include storage glue groove, applicator roll and Frictioning device, store up
Glue groove is arranged in frame, and between frame biside plate, applicator roll is arranged in frame, and Frictioning device is arranged on machine
On frame, Frictioning device includes glue scraping plate, and one end of glue scraping plate is close to applicator roll；Nip rolls, binder are provided with above applicator roll
The diameter parallel of roller and applicator roll, the both ends biside plate rotation connection with frame respectively of nip rolls, nip rolls and applicator roll phase
Cut.The bottom of the applicator roll is immersed in the glue of storage glue groove, and glue is adhered to its surface by applicator roll in rotation process, is scraped
Offset plate scrapes the glue on applicator roll uniformly, and film is at the uniform velocity advanced, and is uniformly coated with again with the tangential of applicator roll, glue
The lower surface of film.
Further improve, the apparatus for coating also includes adjusting pressing device, adjusts pressing device to include levelling device and two
Compress swing arm, two compress swing arms and are rotatably arranged on the relative inner side of frame biside plate, compress swing arm be V include the first swing arm and
Second swing arm, the angle between the first swing arm and the second swing arm are obtuse angle；The junction of swing arm and frame is compressed positioned at the first pendulum
Arm and the second swing arm junction, levelling device are rotatably arranged in two the first swing arms, and nip rolls is rotatably arranged on two second
In swing arm, nip rolls is located at the surface of applicator roll, and nip rolls is tangent with applicator roll all the time, and guarantee is normally coated with.
Further improve, the unwinding device includes unreeling support, unreeling motor, decelerator and let off roll, unreels support
It is fixed on pedestal, the detachable setting of let off roll is unreeled on support, and the both ends of let off roll turn with unreeling support biside plate respectively
Dynamic connection, is unreeled to rotate on support and is provided with synchronous pulley, and one end of synchronous pulley and let off roll, which is opened, to be detachably connected with, and unreels electricity
The output shaft of machine and the input shaft of decelerator are connected, and the output end of decelerator is connected by timing belt with synchronous pulley.
Further improve, in addition to linear tension-adjusting gear, linear tension-adjusting gear include horizontally disposed
Second regulation cylinder and the second regulating roller, the biside plate inner side of the frame are horizontally disposed with guide rail, sliding block are provided with guide rail,
The both ends of second regulating roller are rotatablely connected with two sliding blocks respectively, and one of sliding block connects in the piston rod of the second regulation cylinder
Connect；The linear tension-adjusting gear is positioned at the rear end of traction cooling body；The draw-gear position two, one of them leads
Leading-in device is arranged between unwinding device and apparatus for coating；Another draw-gear be arranged on cooling device and wrap-up it
Between.
The pressure position setting value of second regulation cylinder, film between the setting value and let off roll, traction drive roll and wind-up roll
Tension force match, when the tension force of film is more than the setting value, then the piston rod of the second regulation cylinder is compressed；As of film
Power is less than the setting value, then the piston rod elongation of the second regulation cylinder, control device control winding motor, makes the work of regulation cylinder
Plug returns to initial position, is adjusted, and whole regulation process in dynamic is carried out, plays stable tension all the time.
Further improve, the pressure sensor is two, and one of pressure sensor is located at swing arm tension adjustment
Between device and apparatus for coating, another is arranged between cylinder discharge end and traction cooling body.Pressure sensor and display
Electrically connected between screen, be easy to direct viewing film unreel, the tensioning degree in wrapup procedure.
Further improve, the swing arm tension-adjusting gear is two, one positioned at unwinding device and draw-gear it
Between, another is between draw-gear and apparatus for coating.
Further improve, the levelling device includes leveling deflector roll, screw mandrel, two sliding blocks and two take-up housings, the tune
Flat deflector roll both ends are arranged on two sliding blocks by bearing, and sliding block is movable to be fastened in corresponding take-up housing, can be along take-up housing
Slide, one end of screw mandrel passes through take-up housing, and screw mandrel is rotatablely connected by bearing and take-up housing, and screw mandrel passes through take-up housing
One end be threadedly coupled with sliding block.
When film bypasses leveling deflector roll, if the both sides unbalance stress of film or be uneven, relatively low one end is rotated
Screw mandrel so that the sliding block being connected with wire rod thread is along chute upward sliding in take-up housing so that leveling deflector roll fills with film
Tap is touched, and ensures the both sides uniform force of film, is reached and is eliminated the corrugated purpose of film.
The utility model has technique effect as is evident below using above-mentioned technical proposal：
1st, in this application, stock roll is after unwinding device unreels, and plastic sheeting is successively by draw-gear, swing arm
Tension-adjusting gear, drying unit, traction cooling body, last rolling device carry out rewinding, wherein unreeling motor, traction electricity
Machine, regulation cylinder, traction cools down motor, winding motor, pressure sensor is equal and operation interface is electrically connected between control device
Connect, device pressure sensor electrically connects between display screen.The system debug stage, between the haulage gear and coating mechanism after unreeling
The tension force setting numerical value of film, the tension force can detect that electric eye detects state of the film by this tension force by pressure sensor,
As pattern also be not up to full-length value, then this section of membrane tension is improved by operation interface.As pattern length is above standard value,
This section of membrane tension is then reduced by operation interface.Until regulation untill standard value.Between coating mechanism and traction cooling body
Membrane tension, with epimere tension adjustment mode.Film is shaped to film length in drying unit.Through drawing cooler
Structure cools down, and prevents that shrinkage causes film roll can not subsequently open after film take-up.
Heating, drying rear film bypasses from the second traction chill roll top again from the bottom of the first traction chill roll around later,
First traction chill roll and the second traction chill roll are hollow structure, coolant have been circulated in cavity, film is led with first
Draw chill roll and the second traction chill roll contact, cooled down；Film detours in S shapes by traction cooling body, increases
Wrap angle of the film on the first traction chill roll, the second traction chill roll, increases contact area, improves cooling effect；Traction
Cool down the traction chill roll of motor driving first and the second traction chill roll rotates, power is provided for the traveling of film.
2nd, film is during traveling, because the accuracy of manufacture error of drive roll causes deflector roll linear velocity actual value and theory
It is worth deviation,
Tension force can constantly increase or constantly reduce, and the pressure for adjusting deflector roll can be increased when the film being wound on regulation deflector roll
When, causing regulation swing arm to rotate, drive regulation rotating shaft and potentiometer to rotate, the piston for adjusting cylinder is compressed,
Electric signal corresponding to angle of rotation angle value and rotation direction is sent to control device by potentiometer, and control device control unreels electricity
Machine, person's traction electric machine, reduce let off roll and draw the tension force of driving link film, the piston of regulation cylinder is returned to initial bit
Put；When the film being wound on regulation deflector roll reduces to the pressure for adjusting deflector roll, regulation swing arm is caused to be rotated to opposite direction,
Drive regulation rotating shaft and potentiometer also to be rotated to opposite direction, adjust the piston rod elongation of cylinder, potentiometer is by rotational angle
Electric signal corresponding to value and rotation direction is sent to control device, and control device control unreels motor or traction electric machine
Transient speed, increase let off roll and the tension force for drawing driving link film, the piston of regulation cylinder is returned to initial position, carry out
Regulation, whole regulation process in dynamic is carried out, play a part of stabilizing films tension force all the time.
Brief description of the drawings
Fig. 1 shows the structural representation of Length Control system described in the utility model.
Fig. 2 shows the structural representation of tension-adjusting gear described in the utility model.
Fig. 3 shows the structural representation of apparatus for coating.
Fig. 4 shows the structural representation of draw-gear.
Fig. 5 shows the structural representation of traction cooling body.
Fig. 6 shows the structural representation of levelling device.
Fig. 7 is Fig. 6 left view.
Embodiment
To make the purpose of this utility model and technical scheme clearer, below in conjunction with the utility model embodiment to this
The technical scheme of utility model is clearly and completely described.
As shown in figs. 1-7, a kind of Length Control system, including frame 1, unwinding device 2, draw-gear 4, swing arm tension force
Adjusting means 3, drying unit 7, traction cooling body and wrap-up 15；The frame 1 is fixedly installed on pedestal, frame bag
Include two side plates be arrangeding in parallel；The swing arm tension-adjusting gear 3 includes regulation deflector roll 32, regulation rotating shaft 34, regulation gas
Cylinder 31, potentiometer 36 and two regulation swing arms 33, the both ends of regulation rotating shaft 34 are rotatably arranged on the biside plate of frame 1, two tune
The one end for saving swing arm 33 is fixedly connected with regulation rotating shaft 34, and the both ends and the other end of two regulation swing arms 33 for adjusting deflector roll 32 turn
Dynamic connection, the base of regulation cylinder 31 are connected with frame 1, and the piston rod and one of regulation swing arm 33 for adjusting cylinder 31 are cut with scissors
Connect, adjust fixed cover in rotating shaft 34 and be provided with first gear, potentiometer 36 is fixed in frame 1, fixed in the rotating shaft of potentiometer 36
There is second gear 35, first gear engages with second gear.
In the present embodiment, in addition to traction cooling body 11 includes traction cooling motor 111, traction cooling decelerator
112nd, the first traction chill roll 113 and second draws chill roll 114, the traction cooling motor 111, traction cooling decelerator
112 are fixed in frame 1, and the both ends that the first traction chill roll 113 and second draws chill roll 114 turn with frame biside plate respectively
Dynamic connection, the input axis connection of the output shaft and traction cooling decelerator of traction cooling motor, the output of traction cooling decelerator
Axle with one end of the first traction chill roll by synchronous band connection, the first traction traction of chill roll 113 and second chill roll 114 it
Between connected by toothed belt transmission；The first traction chill roll and the second traction chill roll be arranged in parallel, and the second traction is cold
But roller positioned at first traction chill roll top, first traction chill roll and second traction chill roll radius it is identical, rotate when
Linear velocity is identical, and the first traction chill roll and the second traction chill roll are hollow structure, and coolant has been circulated in cavity.
The draw-gear 4 includes traction electric machine, reducing gear 41, traction active 42, the traction gas being arranged in frame
Cylinder 45, traction driven voller 44 and two traction swing arms 43, two traction swing arms 43 are rotatably arranged on frame 1 by its one end respectively
On the inside of biside plate, draw the other end of the both ends of driven voller 44 respectively with two traction swing arms 43 and be rotatablely connected, draw drive roll
42 both ends are rotatablely connected with frame biside plate respectively, and traction drive roll 42 be arranged in parallel with traction driven voller 44, and tangent, traction
The base of cylinder is fixedly connected with frame, and the piston rod and one of traction swing arm for drawing cylinder 45 are hinged, traction electric machine
The input shaft of output shaft and reducing gear is connected, and the output shaft of reducing gear 41 is connected with traction drive roll, i.e., traction electric machine drives
Dynamic traction drive roll rotates；
The drying unit includes the cylinder 9 being arranged in frame and the heater block being arranged in cylinder, drying unit
Porch be provided with levelling device 16, exit is provided with deviation correcting device correction 10, and deviation correcting device is that prior art is no longer superfluous
State；The first detection electric eye 6 and the second detection electric eye 12 are provided with the frame, wherein the first detection electric eye 6 is located at swing arm
The rear end of tension-adjusting gear 3, the second detection electric eye 12 is positioned at the side of the discharging of the second traction chill roll 114.
The wrap-up includes winding motor, wind-up roll, winding cylinder 17 and winding pressure arm 14, winds the one of pressure arm 14
End is be hinged with frame 1, and the other end, which rotates, is provided with winding pressure roller, and the piston rod and winding pressure arm for winding cylinder 17 are hinged, and are being received
Winding motor driving wind-up roll rotates during volume, and the radius for winding material volume constantly increases, and winding cylinder driving winding pressure arm turns
It is dynamic, ensure that winding pressure roller contacts with the surface of material volume all the time, and compress, prevent that material volume is loose, influence to wind effect.The frame
On be provided with pressure sensor 5, display screen, electrically connected between pressure sensor and display screen.
Because plastic sheeting is during printed patterns, because film receives and tension force is elongated, then causes printing to terminate
The pattern deformation on film wound afterwards, for this, the application needs to unreel plastic sheeting again, wound, and is unreeling, is receiving
Fixed length regulation is carried out to plastic sheeting during volume, plastic sheeting is recovered length, pattern recovers normal.Stock roll is passed through first
After unwinding device unreels, plastic sheeting is successively by draw-gear, swing arm tension-adjusting gear, drying unit, traction cooling
Mechanism, last rolling device carry out rewinding, wherein unreeling motor, traction electric machine, regulation cylinder, traction cooling motor, winding
Motor, pressure sensor are equal and operation interface electrically connects between control device, and device pressure sensor is electric between display screen
Connection.In the system debug stage, the tension force setting numerical value of film, the tension force pass through between the haulage gear and coating mechanism after unreeling
Pressure sensor can detect, electric eye detects state of the film by this tension force, as pattern is also not up to full-length value, then lead to
Cross operation interface and improve this section of membrane tension.As pattern length is above standard value, then this section of film is reduced by operation interface
Power.Until regulation untill standard value.Membrane tension between coating mechanism and traction cooling body, with epimere tension adjustment side
Formula.Film is shaped to film length in drying unit.Through drawing cooling body cooling, the shrinkage after film take-up is prevented
Film roll is caused can not subsequently to open.Heating, drying rear film is from the bottom of the first traction chill roll around later again from the second traction
Chill roll top bypasses, and the first traction chill roll and the second traction chill roll are hollow structure, and cooling has been circulated in cavity
Liquid, film are contacted with the first traction chill roll and the second traction chill roll, cooled down；Film by traction cooling body around
Row is in S shapes, increases wrap angle of the film on the first traction chill roll, the second traction chill roll, increases contact area, improve
Cooling effect；Traction the first traction chill roll of cooling motor driving and the second traction chill roll rotate, and are provided for the traveling of film
Power.
During traveling, tension force can constantly increase or constantly reduce film, can be when the film pair being wound on regulation deflector roll
When adjusting the pressure increase of deflector roll, cause regulation swing arm to rotate, drive regulation rotating shaft and potentiometer to rotate, adjust
The piston of cylinder is compressed, and the electric signal corresponding to angle of rotation angle value and rotation direction is sent to control device by potentiometer,
Control device control unreels motor, the rotating speed of person's traction electric machine, reduces let off roll and draws the tension force of driving link film, makes regulation
The piston of cylinder returns to initial position；When the film being wound on regulation deflector roll reduces the pressure for adjusting deflector roll, cause to adjust
Section swing arm rotates to opposite direction, drives regulation rotating shaft and potentiometer also to be rotated to opposite direction, adjusts the piston of cylinder
Bar is extended, and the electric signal corresponding to angle of rotation angle value and rotation direction is sent to control device, control device control by potentiometer
System unreels the transient speed of motor or traction electric machine, increase let off roll and the tension force for drawing driving link film, makes regulation cylinder
Piston return to initial position, be adjusted, it is whole to adjust process all the time in dynamic is carried out, play stabilizing films tension force
Effect.
In the present embodiment, in addition to apparatus for coating 7, the apparatus for coating 7 include storage glue groove 71, applicator roll 72 and frictioning
Device, storage glue groove 71 are arranged in frame 1, and between the biside plate of frame 1, applicator roll 72 is rotatably arranged on storage glue groove 71
On, Frictioning device is arranged in frame 1, and Frictioning device includes glue scraping plate 73, and one end of glue scraping plate 73 is close to applicator roll 72；Coating
Nip rolls 75 is provided with above roller, the diameter parallel of nip rolls 75 and applicator roll 72, nip rolls 75 and applicator roll 72 are tangent.Institute
The bottom for stating applicator roll is immersed in the glue of storage glue groove, and glue is adhered to its surface, glue scraping plate by applicator roll in rotation process
Glue on applicator roll is scraped uniformly, film is at the uniform velocity advanced, and is uniformly coated with film again with the tangential of applicator roll, glue
Lower surface.
In the present embodiment, the apparatus for coating also includes adjusting pressing device, adjusts pressing device to include levelling device and two
Individual compression swing arm, two compress swing arm and are rotatably arranged on the relative inner side of the biside plate of frame 1, and it is that V includes the first pendulum to compress swing arm
The swing arm 77 of arm 76 and second, the angle between the first swing arm 76 and the second swing arm 77 is obtuse angle；Compress swing arm and the connection of frame
Place is rotatably arranged in two the first swing arms positioned at the first swing arm and the second swing arm junction, levelling device, and nip rolls is rotated and set
Put in two the second swing arms, nip rolls is located at the surface of applicator roll, and nip rolls is tangent with applicator roll all the time, ensures to carry out
Normal coating.
In the present embodiment, the unwinding device 2 includes unreeling support, unreeling motor, decelerator and let off roll, unreels branch
Frame is fixed on pedestal, and the detachable setting of let off roll is unreeled on support, and the both ends of let off roll are respectively with unreeling support biside plate
Rotation connection, is unreeled to rotate on support and is provided with synchronous pulley, and one end of synchronous pulley and let off roll, which is opened, to be detachably connected with, and is unreeled
The output shaft of motor and the input shaft of decelerator are connected, and the output end of decelerator is connected by timing belt with synchronous pulley.
In the present embodiment, in addition to linear tension-adjusting gear, linear tension-adjusting gear include horizontally disposed
The second regulation regulating roller 18 of cylinder 13 and second, horizontally disposed guide rail on the inside of the biside plate of the frame 1, set on guide rail
There is sliding block, the both ends of the second regulating roller 18 are rotatablely connected with two sliding blocks respectively, and one of sliding block adjusts cylinder 13 in second
Piston rod connection；The linear tension-adjusting gear is positioned at the rear end of traction cooling body；The draw-gear position two,
One of draw-gear is arranged between unwinding device and apparatus for coating；Another draw-gear is arranged on cooling device and receipts
Between winding apparatus.The pressure position setting value of second regulation cylinder is thin between the setting value and let off roll, traction drive roll and wind-up roll
The tension force of film matches, and when the tension force of film is more than the setting value, then the piston rod of the second regulation cylinder is compressed；When film
Tension force is less than the setting value, then the piston rod elongation of the second regulation cylinder, control device control winding motor, makes regulation cylinder
Piston returns to initial position, is adjusted, and whole regulation process is all the time in dynamic is carried out.
In the present embodiment, the pressure sensor 5 is two, and one of pressure sensor is located at swing arm tension force tune
Between regulating device and apparatus for coating, another is arranged between cylinder discharge end and traction cooling body.Pressure sensor is with showing
Electrically connected between display screen, be easy to direct viewing film unreel, the tensioning degree in wrapup procedure.
In the present embodiment, the tension-adjusting gear be two, one between unwinding device and draw-gear, separately
One between draw-gear and apparatus for coating.
In the present embodiment, in the present embodiment, the levelling device 16 includes leveling deflector roll 161, screw mandrel 164, two
Sliding block 162 and two take-up housings 163, the both ends of leveling deflector roll 161 are arranged on two sliding blocks 162 by bearing, sliding block 162
It is movable to be fastened in corresponding take-up housing 163, take-up housing can be passed through along the slide of take-up housing 163, one end of screw mandrel 164
163, and screw mandrel is rotatablely connected by bearing and take-up housing 163, screw mandrel connects through one end of take-up housing 164 and the screw thread of sliding block 162
Connect.When film bypasses leveling deflector roll, if the both sides unbalance stress of film or be uneven, the silk of relatively low one end is rotated
Bar so that the sliding block being connected with wire rod thread is along chute upward sliding in take-up housing so that leveling deflector roll fully connects with film
Touch, ensure the both sides uniform force of film, reach and eliminate the corrugated purpose of film.
" front end " " rear end " described herein, using the direction of advance of film as front end.
Do not done in the utility model illustrate be prior art or by prior art i.e. can be achieved, Er Qieben
It is only preferably case study on implementation of the present utility model that case is embodied described in utility model, is not used for limiting this practicality
New practical range.The equivalent changes and modifications that i.e. all contents according to present utility model application the scope of the claims are made, should all make
For technology category of the present utility model.
Claims (8)
- A kind of 1. Length Control system, it is characterised in that：Including frame, unwinding device, draw-gear, swing arm tension adjustment dress Put, drying unit, traction cooling body and wrap-up；The frame is fixedly installed on pedestal, and frame includes be arrangeding in parallel Two side plates；The swing arm tension-adjusting gear includes regulation deflector roll, regulation rotating shaft, regulation cylinder, potentiometer and two regulation pendulum Arm, the both ends for adjusting rotating shaft are rotatably arranged on frame biside plate, and one end of two regulation swing arms is fixedly connected with regulation rotating shaft, The both ends and the other end of two regulation swing arms for adjusting deflector roll are rotatablely connected, and the base for adjusting cylinder is connected with frame, adjusts gas The piston rod of cylinder is hinged with one of regulation swing arm, is adjusted fixed cover in rotating shaft and is provided with first gear, potentiometer is fixed on machine On frame, second gear is fixed with the rotating shaft of potentiometer, first gear engages with second gear；The traction cooling body includes traction cooling motor, traction cooling decelerator, the first traction chill roll and the second traction Chill roll, the traction cooling motor, traction cooling decelerator are fixed in frame, and the first traction chill roll and the second traction are cold But the both ends of roller are rotatablely connected with frame biside plate respectively, the input of the output shaft and traction cooling decelerator of traction cooling motor Axis connection, the output shaft of traction cooling decelerator are cold by synchronous band connection, the first traction with one end of the first traction chill roll But connected between roller and the second traction chill roll by toothed belt transmission；The first traction chill roll and the second traction chill roll It is arranged in parallel, and the second traction chill roll is cold positioned at the top of the first traction chill roll, the first traction chill roll and the second traction But the radius of roller is identical, linear velocity is identical when rotating, and the first traction chill roll and the second traction chill roll are hollow structure, cavity In circulated coolant；The draw-gear includes being arranged on traction electric machine in frame, reducing gear, traction drive roll, traction cylinder, traction Driven voller and two traction swing arms, two traction swing arms are rotatably arranged on the inside of frame biside plate respectively by its one end, traction The other ends of the both ends of driven voller respectively with two traction swing arms are rotatablely connected, traction drive roll both ends respectively with frame biside plate Rotation connection, traction drive roll are be arranged in parallel with traction driven voller, and tangent, and the base and frame for drawing cylinder are hinged, traction The piston rod of cylinder is hinged with one of traction swing arm, and the output shaft of traction electric machine and the input shaft of reducing gear are connected, and subtract The output shaft of fast mechanism is connected with traction drive roll, i.e. traction electric machine driving traction drive roll rotates；The drying unit includes the cylinder being arranged in frame and the heater block being arranged in cylinder, the entrance of drying unit Place is provided with levelling device, and exit is provided with deviation correcting device correction；The first detection electric eye and the second detection electric eye are provided with the frame, wherein before the first detection electric eye is located at apparatus for coating End, the second detection electric eye is positioned at the side of the discharging of the second traction chill roll；The wrap-up includes wind-up roll, winding cylinder and winding pressure arm, the one end and frame for winding pressure arm and is hinged, the other end Rotation is provided with winding pressure roller, and the piston rod and winding pressure arm for winding cylinder are hinged；Pressure sensor, display screen are provided with the frame, is electrically connected between pressure sensor and display screen.
- 2. Length Control system according to claim 1, it is characterised in that：Also include apparatus for coating, the apparatus for coating Including storage glue groove, applicator roll and Frictioning device, storage glue groove is arranged in frame, and between frame biside plate, applicator roll turns Dynamic to be arranged in frame, Frictioning device is arranged in frame, and Frictioning device includes glue scraping plate, and one end of glue scraping plate is close to coating Roller；Be provided with the diameter parallel of nip rolls, nip rolls and applicator roll above applicator roll, the both ends of nip rolls respectively with frame Biside plate is rotatablely connected, and nip rolls is tangent with applicator roll.
- 3. Length Control system according to claim 2, it is characterised in that：The apparatus for coating also tightly fills including pressure regulation Put, adjust pressing device to include two compression swing arms, two compress swing arm and are rotatably arranged on the relative inner side of frame biside plate, compress Swing arm is that V-arrangement includes the first swing arm and the second swing arm, and the angle between the first swing arm and the second swing arm is obtuse angle；Compress swing arm with The junction of frame is located at the first swing arm and the second swing arm junction, is rotated in two the first swing arms and is provided with levelling device, pressed Material roller is rotatably arranged in two the second swing arms, and nip rolls is located at the surface of applicator roll.
- 4. the Length Control system according to any one of claim 1-3, it is characterised in that：The unwinding device includes putting Roll support, motor, decelerator and let off roll are unreeled, unreel support and be fixed on pedestal, the detachable setting of let off roll unreels branch On frame, the both ends of let off roll unreel rotation on support and are provided with synchronous pulley, together respectively with unreeling the rotation connection of support biside plate One end detachable connection of belt wheel and let off roll is walked, the input shaft of the output shaft and decelerator that unreel motor is connected, decelerator Output end be connected by timing belt with synchronous pulley.
- 5. Length Control system according to claim 4, it is characterised in that：Also include linear tension-adjusting gear, directly Wire type tension-adjusting gear includes the horizontally disposed second regulation cylinder and the second regulating roller, and the biside plate inner side of the frame is Guide rail is horizontally disposed with, sliding block is provided with guide rail, the both ends of the second regulating roller are rotatablely connected with two sliding blocks respectively, one of them Sliding block is in the piston rod connection of the second regulation cylinder；The linear tension-adjusting gear is positioned at the rear end of traction cooling body；The draw-gear position two, one of draw-gear is arranged between unwinding device and apparatus for coating；Another leads Leading-in device is arranged between linear tension-adjusting gear and wrap-up.
- 6. Length Control system according to claim 5, it is characterised in that：The pressure sensor is two, wherein one For individual pressure sensor between swing arm tension-adjusting gear and apparatus for coating, another is arranged at cylinder discharge end and traction Between cooling body.
- 7. Length Control system according to claim 1, it is characterised in that：The levelling device includes leveling deflector roll, silk Bar, two sliding blocks and two take-up housings, the leveling deflector roll both ends are arranged on two sliding blocks by bearing, the movable card of sliding block , can be along the slide of take-up housing in take-up housing corresponding to being located at, one end of screw mandrel pass through take-up housing, and screw mandrel by bearing and Take-up housing is rotatablely connected, and one end of screw mandrel through take-up housing is threadedly coupled with sliding block.
- 8. Length Control system according to claim 1, it is characterised in that：The swing arm tension-adjusting gear is two It is individual, one between unwinding device and draw-gear, another is between draw-gear and apparatus for coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720679348.7U CN206915446U (en) | 2017-06-12 | 2017-06-12 | A kind of Length Control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720679348.7U CN206915446U (en) | 2017-06-12 | 2017-06-12 | A kind of Length Control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206915446U true CN206915446U (en) | 2018-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720679348.7U Active CN206915446U (en) | 2017-06-12 | 2017-06-12 | A kind of Length Control system |
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| Country | Link |
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| CN (1) | CN206915446U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107235359A (en) * | 2017-06-12 | 2017-10-10 | 南京嘉旭机械制造股份有限公司 | A kind of Length Control system |
| CN108116038A (en) * | 2018-02-01 | 2018-06-05 | 浙江美格机械股份有限公司 | The recessed soft integral textile of guide belt directly prints machine |
| CN110950134A (en) * | 2019-11-27 | 2020-04-03 | 厦门江天智能仿生科技有限公司 | Film coating machine |
| CN116214902A (en) * | 2023-03-31 | 2023-06-06 | 浙江创富新材料有限公司 | IXPP foam cotton stretching device and stretching process thereof |
-
2017
- 2017-06-12 CN CN201720679348.7U patent/CN206915446U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107235359A (en) * | 2017-06-12 | 2017-10-10 | 南京嘉旭机械制造股份有限公司 | A kind of Length Control system |
| CN108116038A (en) * | 2018-02-01 | 2018-06-05 | 浙江美格机械股份有限公司 | The recessed soft integral textile of guide belt directly prints machine |
| CN110950134A (en) * | 2019-11-27 | 2020-04-03 | 厦门江天智能仿生科技有限公司 | Film coating machine |
| CN116214902A (en) * | 2023-03-31 | 2023-06-06 | 浙江创富新材料有限公司 | IXPP foam cotton stretching device and stretching process thereof |
| CN116214902B (en) * | 2023-03-31 | 2023-12-08 | 浙江创富新材料有限公司 | IXPP foam cotton stretching device and stretching process thereof |
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